Home / 100,205,349,925.46-138,283,929,575.67-59,007,527,123.54

Finding the Fourth Proportional to 100,205,349,925.46, 138,283,929,575.67 and 59,007,527,123.54

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Solution

The fourth proportional to 100,205,349,925.46, 138,283,929,575.67 and 59,007,527,123.54 is: 81,430,709,350.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,205,349,925.46 : 138,283,929,575.67 = 59,007,527,123.54 : x
  2. Step 2: Convert to fraction form
    100,205,349,925.46/138,283,929,575.67 = 59,007,527,123.54/x
  3. Step 3: Cross multiply
    100,205,349,925.46x = 138,283,929,575.67 × 59,007,527,123.54
  4. Step 4: Simplify right side
    100,205,349,925.46x = 8,159,792,725,186,043,707,392
  5. Step 5: Solve for x
    x = 8,159,792,725,186,043,707,392/100,205,349,925.46
  6. Step 6: Final answer
    x = 81,430,709,350.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.